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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

70 °C
90 °C
60°C
100 °C

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DNA Structure and Replication
Which of the following would not contain DNA?

Yeast
Glass crystals
Mold
Bacteria

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

primase
both (a) and (b)
reverse transcriptase
RNA polymerase

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

absorption
adhesion
resorption
density

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

strandase
none of these
helicase
DNA polymerase

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

comparison with a molecular weight standard such as Hind III digested phage lambda
fluorescence in UV light
the sedimentation coefficient
the time it takes the gel to run

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